pick up would have been my choice, in order to say that business was really starting to improve/increase As a transitive verb take up=pick up, lift, raise but not as an intransitive verb, as far as I know. Thus, I think you're right.
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Diamondrg
It didn’t happen all at once, but before long the business really began to ----, and they started to
make a profit.
A) look back B) take up C) point out D) keep on E) try out
Well, it has been quoted from a nationwide exam in Turkey. The official answer is B, but I don't think "take up" means "to be successful, begi